Home / 98,805.20-148,099.06-48,811.28

Finding the Fourth Proportional to 98,805.20, 148,099.06 and 48,811.28

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Solution

The fourth proportional to 98,805.20, 148,099.06 and 48,811.28 is: 73,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,805.20 : 148,099.06 = 48,811.28 : x
  2. Step 2: Convert to fraction form
    98,805.20/148,099.06 = 48,811.28/x
  3. Step 3: Cross multiply
    98,805.20x = 148,099.06 × 48,811.28
  4. Step 4: Simplify right side
    98,805.20x = 7,228,904,685.40
  5. Step 5: Solve for x
    x = 7,228,904,685.40/98,805.20
  6. Step 6: Final answer
    x = 73,163.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.